Portfolio comparison
DUAL PARKING METER Co vs Gilead Pharmasset LLC
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 2118318· 1938
How the First Coin-Operated Parking Meter Works
Activity by Decade
1930s1
Top Patents2 enriched
US 8822430· 2014
Chemical Compounds for Treating Hepatitis C Virus
US 8735372· 2014
Treating Hepatitis C with Combination Drug Therapy
Activity by Decade
2010s2
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.